Case 48083741 - Torque - Minimum Tightening Torques for Normal Assembly

INTRODUCTION
Torque-Minimumtighteningtorquesfornormalassembly
Usethetorquesinthischartwhenspecialtorquesarenotgiven.Thesetorquesapplytoplainandzinc-dichromate
fastenersasreceivedfromsuppliersdry,orwhenlubricatedwithengineoil.Notapplicableifspecialgraphitelubri-
cants,Molydisuldegreases,orotherextremepressurelubricantsareused.Atorquerangeof±10%isacceptable.
Grade8.8bolts,nuts,andstuds
Size
Nm
lbft
4mm4N·m
3lbft
5mm
7N·m
5lbft
6mm12N·m
9lbft
8mm29N·m
21lbft
10mm57N·m
42lbft
12mm100N·m
74lbft
14mm159N·m
117lbft
16mm248N·m
183lbft
18mm352N·m
260lbft
20mm500N·m
369lbft
22mm681N·m
502lbft
24mm865N·m
638lbft
27mm1262N·m
931lbft
30mm1719N·m
1268lbft
36mm2999N·m
2212lbft
MarkingsforGrade8.8hardware
Grade10.9bolts,nutsandstuds
Size
Nm
lbft
4mm5N·m
4lbft
5mm
10N·m
7lbft
6mm17N·m
13lbft
8mm41N·m
31lbft
10mm82N·m
60lbft
12mm143N·m
105lbft
14mm227N·m
168lbft
16mm354N·m
261lbft
18mm487N·m
359lbft
20mm690N·m
509lbft
22mm942N·m
695lbft
24mm1195N·m
882lbft
27mm1749N·m
1290lbft
30mm2377N·m
1753lbft
36mm4149N·m
3061lbft
MarkingsforGrade10.9hardware
48083741_EN31/07/2018
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